package myWork;

public class Maopao {
    public static void main(String[] args) {
        int[] arr = {3, 5, 2, 1, 4};
        for (int i = 0; i < arr.length-1; i++) {
            for (int j = 0; j < arr.length-1-i; j++) {
                if (arr[j]>arr[j+1]){
                    int temp = arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=temp;
            }
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }
}
